• Hyperreality@kbin.social
    link
    fedilink
    arrow-up
    0
    ·
    10 months ago

    Roof/attic often uses rockwool or glasswool. Wall insulation is often something like XPS, PIR or PUR.

    Although it sounds counterintuitive, I can see straw doused in flame retardant being better than supposedly flame retardant polystyrene foam made from hydrocarbons. I mean, just look at what happened with Grenfell Tower.